Page 1

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement , make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement . ANTON 安 東 安 東 油田 服務 集團 Anton Oilfield Services Group ( Incorporated in the Cayman Islands with limited liability ) ( Stock Code : 3337 ) ANNOUNCEMENT Operational Update on the Second Quarter of 2026 and Outlook for the Third Quarter of 2026 The board of directors ( the " Board " ) of Anton Oilfield Services Group ( the " Company " , together with its subsidiaries , the “ Group ” ) is pleased to announce its operational update and order backlog for the three months from 1 April to 30 June 2026 ( the “ Quarter ” ) . OVERVIEW OF OPERATIONS IN THE SECOND QUARTER OF 2026 In the second quarter , the Middle East situation experienced a phased easing , although regional conflicts and security risks persisted . Major energy transportation routes gradually resumed , and global supply chain disruptions marginally alleviated , while regional uncertainty remained at a high level . OPEC + continued its phased production increase , presenting a market landscape characterized by phased supply easing alongside inventory rebuilding . Amid the interplay of supply - demand rebalancing and macroeconomic expectations , oil prices retreated from high levels and stabilized with fluctuations around USD70 per barrel . With the resumption of production in the Middle East , upstream oil and gas investment and service demand remained robust . During the second quarter , the Group advanced its operations along the core priorities of “ key market expansion ” and “ operational quality and efficiency improvement . ” On one hand , the Group accelerated the expansion of new global markets , such as the GCC countries , North Africa , and key markets like Iraq . It strengthened the exploration of long - term project opportunities , promoted the conversion of key business opportunities , and actively positioned itself for oil and gas development and large - scale integrated projects . On the other hand , the Group continuously deepened its Amoeba management reform , promoting real - time and refined management of operational data . It strengthened cost control , cost reduction , and efficiency enhancement , while improving turnover efficiency and cash flow quality . Concurrently , the Group optimized its operational delivery and technical support systems to continuously enhance operational resilience and profitability .